Termesphere Gallery - Dick Termes
Spherical paintings that use a six point perspective. View images of the paintings and read about the artist. Products and services include workshops, lectures, books, and models of the Platonic solids, as well as the painted spheres.
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Tessellated Polyhedra - Jill Britton
Full-page printable nets of each of the regular polyhedra, decorated with individual surface tessellations in full color. A higher-resolution black-and-white version of each tessellated net appears in Polyhedra Pastimes, by Jill Britton, published by
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Tessellations, Lifelike Tilings... - Andrew Crompton
Tessellations, Lifelike Tilings, Grotesque Geometry, Dissection Puzzles, Anamorphic Mirrors, and Escher style drawings: about twenty examples of Crompton's own work as well as the world's first tessellation (not by Escher), by a teacher of geometry to
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Tessellations.org - David Annal
Overview of the subject of tessellations with practical examples of how to produce them. Background information on tessellations, including symmetry and famous tessellators, and extensive galleries.
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Tessellations - Robert Fathauer
A company that makes Puzzellations, Colorful Connectables, and Perpetual Patterns puzzles, plus a variety of other products inspired in part by the Dutch graphic artist M.C. Escher, but also by mathematicians such as Roger Penrose and Benoit Mandelbrot.
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Tessellation Tutorials - Suzanne Alejandre
A series of tutorials that teach students how to tessellate (somewhat in the style of the art of M.C. Escher) using HyperCard for black and white and/or HyperStudio for color, ClarisWorks, LogoWriter, templates, or simple straightedge and compass. The
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Tess - Pedagoguery Software
A shareware program for creating symmetric planar illustrations. With Tess, while you draw you can automatically maintain the symmetry group you have chosen; 11 rosette, all 7 frieze, and all 17 wallpaper groups are included. Illustrations may be printed
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Test Banks - Ask Away Ltd.
Data banks of test questions prepared by classroom teachers for use in assorted disciplines in Canada and the U.S., including mathematics grades 7, 8, and 9. Sample questions are available on the site.
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Test Dates - Graduate Educational Information Service
Dates and practice questions for major standardized tests, including the ACT exam, SAT test, Graduate Record Examination (GRE), and employment tests such as the Massachusetts Tests for Education Licensure (MTEL), the New York State Teacher Certification
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Test Prep Review - Testprepreview.com
As the title of this site indicates, there are materials to help users review in preparation to take a variety of tests, including the GRE, SAT, ACT, and Praxis. Under each of the free practice test areas, there are self-assessment modules with a set
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TEX THE WORLD - Avital Oliver
This add-on to the FireFox browser takes TeX typesetting on any website and renders it as an image. TEX THE WORLD runs every 3 seconds on interactive websites, so it marks up chat sessions as well as HTML-enabled webmail, embedding symbols on the fly
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Texture and Colour - Paul Bourke
In many texturing applications it is necessary to be able to "tile" the texture over a larger region than the texture segment covers. Bourke offers a discussion with examples of tiling formats, together with links to tiles: Tile; Brick, Tile; Stone tile;
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TheGeometryTeacher - Andrew Shauver
Shauver, who teaches at a Michigan public high school in a one-to-one laptop program, blogs to "describe his own independent learning and to re-inspire the natural curiosity sometimes absent from the typical high school classroom." Posts, which date back
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Theory of Tieknots - Yong Mao
The mathematical theory behind tying a necktie, with illustrations of the Four in Hand, the Pratt Knot, the Half-Windsor, and the Full-Windsor, and a classification of necktie knots with respect to size and shape. Tying a tie knot is equivalent to a persistent
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TheXorb - Jagan Deb
Online calculators for the slope and y-intercept of linear equations; standard deviations; mean, mode, and range; the Pythagorean Theorem; and properties of geometric figures such as triangles, squares, circles (circumference given area; area given diameter;
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A Thing In Common - Cut the Knot!, Alexander Bogomolny
Two applets, both of which use the Pythagorean theorem: a puzzle (Draw an {N/D} star polygon - a polygon whose N vertices are uniformly distributed on a circle, but each vertex is connected to its D-th neighbor. Regular polygons correspond to D = 1, and
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Things I Made From Yarn - Alan Eliasen
Futureboy's online calculators include a blackjack strategy table, a model solar system calculator (create your own model solar system of any scale), a sun locator (find current position of the sun), a historical currency converter (find out "how much
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